This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1534 fare is the cheapest current round-trip from Calgary (YYC) to ISB on WestJet flight WS1550, departing 2026-05-06 at 08:45 with return on 2026-05-13.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.